![](https://cache.ptt.cc/c/https/i.imgur.com/o9pNsI5l.jpg?e=1719198157&s=bTQPAOFuT6hN6N2wnSuJUA)
→ a21802 : lim_{x->0} sin(theta)/theta = 1 10/14 12:44
→ softseaweed : lim_{x->0} sin(x)/x = 1 10/14 12:45
→ softseaweed : 1f你的x跟theta啊啊 10/14 12:45
→ a21802 : 阿阿 就這樣 10/14 12:47
→ deflife : 看你要用夾擠或l'hospital都可以推出來 10/14 13:08
推 LPH66 : 大一的話這個極限請用夾的, L'H 是循環論證 10/14 19:46